Q. A gate has the following truth table [table] $P$ | 1 | 1 | 0 | 0 ; $Q$ | 1 | 0 | 1 | 0 ; $R$ | 1 | 0 | 0 | 0 [/table] The gate is

A) NOR
B) OR
C) NAND
D) AND
Explanation

(d) The Boolean expression for ‘AND’ gate is $R + P.Q$
$\Rightarrow 1.1 = 1,\ 1.0 = 0,\ 0.1 = 0,\ 0.0 = 0$

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.